- Close the port if nothing on the host needs it.
- Identify the process that listens on it (commands below) before opening it in a firewall.
- Expose a service only to the networks that use it.
Port 35003: ReadyTech DeviceMapper Server
Port 35003 is assigned by IANA to rt-devicemapper (ReadyTech DeviceMapper Server).
How rt-devicemapper works
Other servicesThe client sends a request to port 35003 and the rt-devicemapper service answers.
- Transport
- TCP
- Exposure risk
- not rated depends on the program listening
- Encryption
- Unknownnot stated by the registry
- IANA status
- Assigned1 registered service
- Range
- Registered (1024-49151)
- Category
- Other services
Is port 35003 dangerous?
We have no specific security note for port 35003. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 35003
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| rt-devicemapper | 35003 | TCP | ReadyTech DeviceMapper Server | - | 2013-09-13 |
| - | 35003 | - | Reserved | - | - |
// source: IANA service name and port number registry
Which program uses port 35003, and is it reachable?
Linux
sudo ss -ltnup 'sport = :35003' # process listening on 35003
sudo lsof -nP -i :35003macOS
sudo lsof -nP -i :35003
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 35003 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 35003 netstat -ano | findstr :35003
From another machine
nmap -p 35003 -sV <host> nc -zv <host> 35003
Block it in the firewall
sudo ufw deny 35003/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 35003" -Direction Inbound -LocalPort 35003 -Protocol TCP -Action Block # Windows
What is port 35003 used for?
Port 35003 is assigned by IANA to rt-devicemapper (ReadyTech DeviceMapper Server).
Is port 35003 TCP or UDP?
Port 35003 is registered for TCP.
Is it safe to open port 35003?
It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Close the port if nothing on the host needs it.
How do I check if port 35003 is open?
On Linux run "ss -ltnup 'sport = :35003'", on macOS "lsof -nP -i :35003", and on Windows "netstat -ano | findstr :35003" to see the local process. From another machine, "nmap -p 35003 <host>" shows whether it is reachable.